v fail to do something; leave something undone
v be unsuccessful
v disappoint, prove undependable to; abandon, forsake
v stop operating or functioning
v be unable
v judge unacceptable
v fail to get a passing grade
v fall short in what is expected
v become bankrupt or insolvent; fail financially and close
v prove insufficient
v get worse
a. 已失败的
[计] 失败的
1. She failed the exam because she didn’t study enough.
她没有好好学习，所以考试失败了。
2. The project failed to meet the deadline.
这个项目没有按时完成。
3. He tried to fix the car, but he failed to do so.
他试着修理汽车，但没有成功。